Forttjnatus galbraith kellogg



(No Model.)

P..G. 'KELLOGG.

PISTON ROD PACKING.

No. 407,533. Patented July 23, 18 89.

WITNESSES.

ATTORNEY UNITED STATES PATENT OFFICE.

FORTUNATUS GALBRAITH KELLOGG, OF BRAINERD, MINNESOTA, ASSIGNOR TO HIMSELF AND FRANK BELL, OF SAME PLACE.

PISTON-ROD PACKING.

SPECIFICATION forming part of Letters Patent No. 407,533, dated July 23, 1889. Application filed March 28, 1889. fierialNo. 305,138. (No model.)

To all whom it may concern: 7 On top of the bottom packing ring K Beitknown that I, FORTUNATU s GALBRAITH rests a second packing-ring L, also fitted into KELLOGG, of Brainerd, in the county'of Crow the conical aperture E ,and on top of the WVing and State of Minnesota, have invented packing-ring L rests a third packing-ring N, 5a new and Improved Piston-Rod Packing, of corresponding in shape to the opening E.

which the following is a full, clear, and exact Each of the packing-rings K, L, and N is made description. in sections, and the several rings are so ar- The invention relates to metallic packing; ranged, one above .the' other, as to break and its object is to provide a new and imjoints, as is plainly shown in Figs. 2, 3, 4, and

I0 proved packing which is simple and durable 5. It is to be understood that the peripheries in construction, very efiective in operation, of the packing-rings are inclined to corre- ,and designed more particularly for pistonspond With the conical opening E, and the rods of steam -engines, steam-pumps, and several packing-rings decrease in size, countother machinery. ing from the bottom upward.

15 The invention consists of certain parts and WVhen the several parts of the packing are details and combinations of the same, as will in place, as illustrated in Fig. 1, the coil-spring be fully described hereinafter, and then I is compressed and exerts an outward presspointed out in the claim. ure against the ring J, which presses against Reference is to be had to the accompanythe bottom of the packing-ring K, so that the 20 ing drawings, forming a part of this specifiseveral packingrings are pressed outwardin cation, in which similar letters of reference the conical aperture E. As the several packindicate corresponding parts in all the figures. ing-rin gs are made in sections and are pressed Figure 1 isa sectional side elevation of the outward in the conical opening E, the secimprovement. Fig. 2 is a sectional plan view tions have a tendency to close toward each 25 of the same on the line a: 00 of Fig. 1.; and Figs. other, thus pressing firmly around the piston- 3,4, and 5are faceviews of the packing-rings. rod 0. A very secure metallic packing is In the cylinder-head A screws a box B, thus formed around the piston-rod, and all having a central aperture, through which leakage is prevented, as the several packingpasses a piston-rod C. In the outer end of rings break joints.

0 the box B is formed an enlarged central open- Having thus described my invention, I claim ing D, and on this outer end is also formed as new and desire to secure by Letters Patan external screw-thread, on which screws a ent head E, provided on its upper end with a cup The combination, with the box B,prov.ided F, in which the lubricant can be placed for with an enlarged central opening D, having 3 5 lubricating the packing and the piston-rod O. a concave bottom, the ring G, having a The bottom of the opening D in the box B rounded lower face to fit said bottom,a11d an is concave, and into it fits a correspondinglyannular flange II, the upper ring J, and the shaped ring G, providedv with an upwardlyspring I on said ring and flange, of the head extending annular flange H, fitting closely E, screwed on box B, and having an inner 0 against the piston-rod C. On the ringG rests conical opening 3, and an outer cup F, and

the lower end of a coil-spring I, held in the the series of sectional packing rings L N, opening D, and carrying at its upper end a breaking joint in the conical opening and flanged ring J, pressing against the under beveled on their peripheries, substantially as side of the packing-rim g K, fitting into a coniset forth.

45 cal aperture E, formed in the headE. The FORTUNATUS GALBRAITH KELLOGG small end of the conical aperture E is of the same diameter as the piston-rod C, and opens itnesses: into the oil-cup F, as is plainly shown in MILTON MOFADDEN, Fig. 1. FRANK BLANOHARD. 

